Understanding Locking/Unlocking for error 750300: Unable to lock RDCM. RDCM may be used by another user.

(Doc ID 469367.1)

Last updated on DECEMBER 26, 2007

Applies to:

Oracle Clinical - Version: 4.0.0 to 4.5.3
This problem can occur on any platform.

Symptoms

Problem Statement:In Data Entry menu. In the Update mode.Go into one record to modify a value.A 2nd person logs into OC from another terminal.Go to Data entry menu and to Update mode.Bring up the same record A earlier.Get that error message: 750300: Unable to lock RDCM. RDCM may be used by another user.If the 1st user exit out of the document or update menu or logs out of the system, or the 2nd waits for a while, then the 2nd person can get in to update the record# A.

Cause

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